1. Synopsis: Timothy Gao (Bobby Au-Yeung), a senior chemist in the Forensic Medicine Department, is good at differentiating syndromes, obtaining evidence and testing evidence at the crime scene, so that the real murderer can hide. He is highly praised for his rich experience and excellent work. Unfortunately, his wife Gu Zeyao (Liu Jinling) was paralyzed in an accident. However, he has been attached to his wife for many years, and has won admiration and praise from everyone, especially his uncle and forensic doctor Gu (Lin Wenlong). So, they have a good relationship. Unfortunately, Yao was diagnosed with cancer. It never rains but it pours. She died suddenly after eating the food sent by Bo, which made people wonder what Bo had done to his wife.

2. Especially, Liang Xiaorou (), a senior inspector of the major crimes unit of the police station, suspects that Bo and Ding () have rekindled their old love affair and can't wait to solve Yao's burden. In addition, Rou's younger brother Liang Xiaogang () is a technician in the Forensic Medicine Department. He is a subordinate of Bo, but he is critical of everything. However, Bo is very convincing to Pei's sister (Linda Chung), and Rou is very critical of this, so she is dissatisfied with Bo. Later, Rou's father, Liang Xinglong (played), had an argument with Zhong because he didn't want to be cheated by Liang. Zhong Hou was killed, and Long became a murder suspect under the conclusive witness material evidence. At this point, with its objective and rational attitude, Bozai persistently and repeatedly verified with Chen, found out the doubts and finally revealed the real murderer. Rou is very happy to see his father's injustice, grateful to Boda, convinced of Boda's knowledgeable, witty and fair attitude towards verification, and has greatly changed him. Coincidence

In addition to forensic work, Chen has also created a series of mystery novels based on his own experience, which are deeply loved by readers, and his girlfriend Ting is also one of his fans. It wasn't long before the scum who appeared in Chen's novels died unexpectedly one after another. At first, Chen thought it was a coincidence with Bo and Rou, but gradually he felt that someone imitated Chen's novels as an underground referee and abused lynching, making Chen a controversial object and under pressure. In order to get rid of her boyfriend, Christine tried her best to find out who the murderer was, but when she found the clue, she was suddenly attacked, unconscious and uncertain. Chen was so nervous that Rou decided to set up a game to find out the real murderer. Mysterious gauntlet One day, a mysterious man secretly sent a gauntlet to Bob. The fingerprints left by the murderer in the bloody case are actually waves, and all the unfavorable evidence at the scene points to waves, which means that the whole forensic department seems to be challenged.